Using a Cisco 7961 IP phone and Call manager. I have loads of these working all over the world, yet I have one that receives and makes internal calls without issues, also makes external calls, but can't receive external calls. Everything looks like it is set up as all the others in this location....

Hi for some reason the company phone can't make long distance calls anymore. Usually you just need to dial 9 and than the number to call. I was always greeted with the messsage telling me to dial 1 or zero before dialing in the 10 digit number. Despite doing this I still can't connect. The phone...

I have to choose between the next options for a new office with VoIP for 100+ users: Have the IP Phones connected to the network and the PC to the IP Phone. Have two network connections, one for each PC and Other for each IP Phone. Please help me telling me which is the recommended/better approach.

We have one site having Cisco UC520 for IP telephony and another site we have nortel PBX. So is it possible to integrate both? If yes then how and which features will work and which will not work? It would be great if someone help me out for the same.

We have recently purchased a ISR 3825 loaded with Call Manager. We are able to access the SDM via a laptop but cannot access the Call Manager software. The router wasn't supplied with any software or details of how to access Call Manager, does anybody have any ideas?

What is the difference of IP Telephony and VoIP? Are they the same? Are there any certifications surrounding either? Please advise... I have included my e-mail below. Thank you, Dustin Hunter dhunter@apexsystemsinc.com

We moved a T1 connected peripheral from an Avia phone system to a Nortel phone system. It is connected through a Dialogic board. The connection worked fine prior to moving but we are having problems now. Can you help configure this properly?

Hello, I am in the process of testing Avaya AES Sametime integration for click to call functionality and working in my test environment. With IBM Sametime 8.0.2 client (both embedded and standalone), I can see the telephony presence icons next to Sametime presence icons and I can see their status...

Does anyone know how I set up a linear hunt group for Nortel CS1000? I need to have 3 extensions in the hunt, number one will ring and if not answered it would roll to 2nd phone and the 3rd number will ring at the same time on 9 phones. I know I need MCR on the 9 phones, I have never set up a hunt...

Hi, It is always said that IP is more cost effective than the normal route of cabling or communication through spectrum. Is there any technology which enables GSM phones work on IP platform with normal GSM phones available in the market. This means, the normal Nokia, Samsung or Motorola phone can...

I have 2 planet vip882 gateways i am trying to test a peer to peer dialing test.I have connected the gatways to a switch using the WAN ports. I have two Planet VIP154T phones connected to the gateways through the LAN ports.i get a dial tone but when i try to call onr phone from the other i am timed...

As is true with most organizations today, we are under pressure to reduce costs where we can. Some users are coming and asking why we are not using Skype for international calling. I'm not sure if I fully understand the risks so I am posting this question here on ITKE. Has anyone implemented Skype...

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